Embedded the Technical Track presentation given by me at AWS Cloud Tour 2011, India , New Delhi on Nov 24th , 2011
Presentation slides can be found here
Slide contents
Slide 2:
Load Patterns of Business 1 E-commerce 2 Online Ticketing Compute Compute Weekly Weekly 3 Online Travel 4 During Campaigns Compute Compute Yearly Yearly
Slide 3:
Load Burst Types 1 Un Predictable Bursts 2 Predictable BurstsCompute Compute Time Time
Slide 4:
Traditional Scaling Lost customers • Fixed capacity • Under utilization of resources • Lost CustomersAmazon Auto Scaling • Align no. of instances with demand • Flexible capacities and scaling sizes • Save costs
Slide 5:
Amazon AutoScaling• Handle all the variety of load bursts and patterns• Scale out Amazon EC2 instances seamlessly and automatically when demand increases• Scale down unwanted Amazon EC2 instances automatically and save money when demand subsides• Decide the scaling based on AWS CloudWatch metrics
Slide 6:
Amazon AutoScaling Architecture EC2 Instance Elastic Load Balancer … Amazon CloudWatch Scale UpKey Concepts : Scale Up Rule EC2 Instance• Launch Configuration Scale Down Scale Down• Auto Scaling Group Rule• Trigger Scale Up • Policy Predefined Scaling • Alarm Auto Scaling Scale Down Activity Group
Slide 7:
Auto Scaling : Unpredictable Burst 2 Un Predictable Bursts • Configure On demand Auto Scaling policy Compute • Create policies for both Scaling out and Scaling down scenarios Time • Auto Scaling will respond to changing conditions dynamically%as-create-auto-scaling-group as-group --availability-zones us-east-1c –launch-configuration my-lconfig --max-size 24 --min-size 4 --cooldown180 --load-balancers my-load-balancer
Slide 8:
Auto Scaling : Predictable Burst 1 Predictable Bursts Compute • Configure Time based Auto Scaling plan • PutScheduledUpdateGroup Time Action - specify the date and time of execution, minimum, maximum, and desired Instance size of capacity% as-put-scheduled-update-group-action my-group –name “My-scale-up” -- time “2011-11-12T02:00:00Z” -min 10 -max 50
Slide 9:
Candidates for Auto Scaling• Web Tier• Application Tier• Caching Tier• Load Balancing Tier• Other Stateless Tiers
Slide 10:
Auto Scaling Benefits : Cost Savings 1 35 % savings 2 30 % savings Compute Compute Time Time 30 % savings 3 35 % savings Compute Time
Slide 11:
Auto Scaling Benefits : No Lost customers We can closely align our Infrastructure with our load requirements and save costs Benefits of Auto Scaling – work in Happier DevOpsprogress !!!Source: AWS
Slide 12:
Key Points to Remember• Log Files , Data Files and Sessions• Multiple AZ’s inside a Region• EBS Backed AMI’s are faster to launch• Multiple Instances Types in an Auto Scaling group• Combining Custom CloudWatch Metrics opens huge possibilities• Evaluate Traditional Monitoring
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